Fuel tank



FIG. 1 is a front perspective view of my new design for a fuel tank.

FIG. 2 is a top plan view thereof.

FIG. 3 is a front elevation view thereof.

FIG. 4 is a right side elevation view.

FIG. 5 is a left side elevational view.

FIG. 6 is a rear elevation view.

FIG. 7 is a bottom plan view; and,

FIG. 8 is a rear perspective view. 

The ornamental design for a fuel tank, as shown and described. 